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Residential Plumbing Permit (including Water Heater) — Havre, Montana · Requirements sheet
Verified 2026-07-02 · Source: https://bsd.dli.mt.gov/building-codes-permits/permit-applications/plumbing-permits/
PermitBase is an independent reference and is not affiliated with any government agency. Requirements change and vary by project — confirm current details with the building department before you submit.
Residential Plumbing Permit (including Water Heater) in Havre, Montana
Required for plumbing work anywhere in Havre (city limits) and Hill County, including new water heater installation/replacement. Because Havre is NOT plumbing-certified, this permit is issued directly by the Montana Department of Labor & Industry Building Codes Bureau (Helena) under the 2021 Uniform Plumbing Code, not the city.
Verified 2026-07-02 · Source
When you need this permit
- Application must be signed by the Master Plumber and include Master Plumber License Number
- Accurate location and owner information required for permitting; property address, county, and whether the job is located inside city limits must be indicated
- Type of Building (Single Family, Multiple Family, Commercial/Public, Accessory Building) and Type of Work (New, Alteration/Addition) must be indicated
- Sewer Service Type (Public Sewer System or Septic System) and Potable Water Source (Potable Water Source or Public Utility) must be indicated
- Apply in accordance with Title 50, Chapter 60, Section 505, MCA and ARM 24.301.301 and ARM 24.301.361
Required documents
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Fee schedule
Gray water system, commercial or residentialMontana Building Codes Bureau, Application for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$60
Repair or alteration of drainage or vent pipingApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$30
Alteration or repair of water piping and/or treatmentApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$30
Each connection of building water supply to water service/public utility or private wellApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$20
Each connection of building drain to sewer system/public or septicApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$20
Each NEW water heater (or replacement)Application for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$25
Each storm drain and storm drainageApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$30
Each lawn sprinkler, fire protection system, any meter, or backflow protection deviceApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$30
Each hose bibb, vacuum, breaker, and/or backflow deviceApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$6
Each industrial water pre-treatment equipment including its drainage and ventApplication for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$30
Each plumbing fixture or trap (bath tub, lavatory, shower, water closet, kitchen sink, etc.)Application for Plumbing Permit (BCP-1, Rev. 10/2019), Fee Schedule
$10 per fixture/trap
Review timeline
Plan reviewTypical estimate — confirm current times with the Havre building department
~1–5 business days
Inspection process
Tips
- Plumbing permits in Havre are issued by the STATE Building Codes Bureau in Helena, not the city — mail applications and payment to PO Box 200517, Helena, MT 59620-0517, or apply online at ebiz.mt.gov.
- A straightforward water heater replacement is a flat $25 state fee — no separate fixture count applies unless additional fixtures are also being added.
- Master Plumber signature and license number are required fields on the application.
Frequently asked questions
Yes. Water heater installation or replacement requires a state Plumbing Permit for $25, issued by the Montana Building Codes Bureau (not the city), since Havre is not plumbing-certified. Apply by mail to PO Box 200517, Helena, MT 59620-0517, or online at ebiz.mt.gov.
In Havre, the published Gray water system, commercial or residential is: $60. Additional published fees: Repair or alteration of drainage or vent piping — $30; Alteration or repair of water piping and/or treatment — $30; Each connection of building water supply to water service/public utility or private well — $20; Each connection of building drain to sewer system/public or septic — $20; Each NEW water heater (or replacement) — $25; Each storm drain and storm drainage — $30; Each lawn sprinkler, fire protection system, any meter, or backflow protection device — $30; Each hose bibb, vacuum, breaker, and/or backflow device — $6; Each industrial water pre-treatment equipment including its drainage and vent — $30; Each plumbing fixture or trap (bath tub, lavatory, shower, water closet, kitchen sink, etc.) — $10 per fixture/trap. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.
Plan review for a residential plumbing permit (including water heater) in Havre typically runs 1–5 business days. This is an estimate, not a published figure — confirm current review times with City of Havre Public Works Department (Building Division) — city-certified for Building permits only; Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at (406) 265-4941.
You'll need: Application for Plumbing Permit. See the required-documents checklist on this page for details on each.
Apply through City of Havre Public Works Department (Building Division) — city-certified for Building permits only; Electrical, Plumbing, and Mechanical permits are issued directly by the Montana Department of Labor & Industry Building Codes Bureau at 520 4th Street, PO Box 231, Havre, MT 59501. Phone: (406) 265-4941, email: PWinfo@ci.havre.mt.us. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://www.ci.havre.mt.us/public-works.
Havre, Montana has adopted: 2021 International Building Code (IBC) — adopted by the City of Havre by reference of the code adopted by the Building Codes Bureau, Montana Department of Labor & Industry (Havre City Code 4-1-1; Ord. 852, 2-21-2006; Ord. 846, 2-18-2003); statewide effective date June 11, 2022; 2021 International Residential Code (IRC) — statewide edition referenced by Havre's Roofing Permit checklist (citing 2021 IRC Sections 905.2.1, 905.1.2, R806); statewide effective June 11, 2022; 2021 International Energy Conservation Code (IECC) — statewide edition referenced by Havre's Roofing Permit checklist (citing 2021 IECC Section C504); statewide effective June 11, 2022; 2021 International Existing Building Code (IEBC) — statewide edition per Montana Building Codes Bureau Current Codes page; statewide effective June 11, 2022; 2021 International Mechanical Code (IMC) — statewide edition, state-administered permit (Havre is not Mechanical-certified); effective June 11, 2022; 2021 International Fuel Gas Code (IFGC) — statewide edition; effective June 11, 2022; 2021 Uniform Plumbing Code (UPC) — statewide edition, state-administered permit (Havre is not Plumbing-certified); effective June 11, 2022; 2020 National Electrical Code (NEC) — statewide edition per Montana Building Codes Bureau Current Codes page, state-administered permit (Havre is not Electrical-certified); effective June 11, 2022; 2021 International Swimming Pool and Spa Code (ISPSC) — statewide edition; effective June 11, 2022; 2017 ICC A117.1 Accessibility Standard — statewide edition per Montana Building Codes Bureau Current Codes page. Local amendments apply — see the Havre overview page for the full list.
The Montana Department of Labor & Industry Building Codes Bureau issues plumbing permits for all of Havre and Hill County under the 2021 Uniform Plumbing Code — the city itself is not certified for plumbing.
Sources & verification
Verified against official sources. Last reviewed 2026-07-02.
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Havre building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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